60 



THK Wllirr, I'INF, 



secretion, bciieatli wliich eovoriiiK are coiiceMli'd niyriails of iiiiiiiile lice. Srhhonnirn pinirnln 

 Thos., feeds on the tender sliools oCyounj,' Wliitc I'ine. 



Iveroseiio einiilsiou applied as a 8i)ray is the appropriate remedy for tlieso plaiit-liee. 



LEAF-FEEDING INSECTS. 

 The most deslnietive insects of the folia},'o of pine are several species of sawflies of tlie genera 

 I.ophyriis and Lyda, one of which is represented iu its several sta;;es at fig. 1.3. It is <;alled 



Fio. ]4 Tiili«H of pim* lf;iv4'S iiiiuio by ly'iuo tiilii-buildtir— natural hi/.o 



(I'nim rackaril). 



Fm. K.—Lophiiriit ahholii : 1 fmiiale, fiilnrgi'il ; 2, 3, 

 pupa, onlar^'iil; 4, 4, larva-, natural »i/.i'( ri, roramii, 

 natural »i/.e; C,nialn ant. niia, 7, liiiialiialitiniia,iiilarj;(«l 

 (from Riley). 



Abbot's \vliit(>-])ine sawlly [Lopln/nts ohhutii Leach.), and is ])t^rliai)S the most iiijiirinns rnliaj,fe 

 feeder which infests tiie pine woods of th(^ North. 



The caterpillar of a siiifjle species of butterfly, Thccla niphon libn., is known to feed npoir tlic 

 foliage of White Tine, but among the larvae of motb.s of dilVercnt families are innninerable, pine- 



Fici. 15.— f7.ioi.<i»j»i« pini/oliir: 2, s.oIch on Wliiti. rinc, liavi-8 stiintiil; 2a, sanii' Iiavos not sluntoil by inacrta; 2*, 'Jc. fimalis scale ; 2./, lualo 

 arall^— 2 ami 2a natural »i/.u, 'Ji au.l ■-'.■ tnudi .iilMr;;!'!! (froiu CoMistn.k .\nn., Kept. Di pt. Agr., 1S80). 



feeding species, rrominent among them is the magnificent snlplmr-yellow imperial moth (Eocles 

 imperi<ili.i J)ru.), who.se larva attacks the leaves of various forest trees. Of other moths whose 

 catei])illars devour the foliage of While I'ine may be meiitioiietl : Harris's pine hawk moth (VJUma 

 harrisii Clem.), /■;. eoni/cranim S. ami A., //'. pinrinii iaiil., Tnljipc hiririx Fitch, the white-pine 

 tufted caterpillar (PlatyvenirafurvUla Pack.), t he rediiead inclnvorm (iScmiothim bmgnata Walk.), 



